<template>
  <div>
    <!-- 工具条 -->
    <div class="tools-div" style="margin-top:25px;margin-left:15px">
      <el-button type="success" icon="el-icon-plus" :disabled="$hasBP('bnt.sysMenu.add')  === false"  @click="add()">添 加</el-button>
    </div>
    <!-- 表格 -->
    <el-table :data="sysMenuList" style="width: 100%;margin-bottom: 20px;margin-top: 10px;" row-key="id" border
      :default-expand-all="false" :tree-props="{ children: 'children' }">

      <el-table-column prop="name" label="菜单名称" width="160" />
      <el-table-column label="图标">
        <template slot-scope="scope">
          <i :class="scope.row.icon"></i>
        </template>
      </el-table-column>
      <el-table-column prop="perms" label="权限标识" width="160" />
      <el-table-column prop="path" label="路由地址" width="120" />
      <el-table-column prop="component" label="组件路径" width="160" />
      <el-table-column prop="sortValue" label="排序" width="60" />
      <el-table-column label="状态" width="80">
        <template slot-scope="scope">
          <el-switch v-model="scope.row.status === 1" :disabled="true">
          </el-switch>
        </template>
      </el-table-column>
      <el-table-column prop="createTime" label="创建时间" width="160" />
      <el-table-column label="操作" width="180" align="center" fixed="right">
        <template slot-scope="scope">
          <el-button type="success" v-if="scope.row.type !== 2" icon="el-icon-plus" size="mini" @click="add(scope.row)"
          :disabled="$hasBP('bnt.sysMenu.add')  === false" title="添加下级节点" />
          <el-button type="primary" icon="el-icon-edit" size="mini" :disabled="$hasBP('bnt.sysMenu.remove')  === false" @click="edit(scope.row)" title="修改" />
          <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeDataById(scope.row)" title="删除"
            :disabled="scope.row.children.length > 0" />

        </template>  
      </el-table-column>
    </el-table>
    <!-- 新增弹框 -->
    <el-dialog :title="dialogTitle" :visible.sync="dialogVisible" width="40%" >
      <el-form ref="dataForm" :model="sysMenu" label-width="150px" size="small" style="padding-right: 40px;">
        <el-form-item label="上级部门" v-if="sysMenu.id === ''">
          <el-input v-model="sysMenu.parentName" :disabled="true"/>
        </el-form-item>
        <el-form-item label="菜单类型" prop="type">
          <el-radio-group v-model="sysMenu.type" :disabled="typeDisabled">
            <el-radio :label="0" :disabled="type0Disabled">目录</el-radio>
            <el-radio :label="1" :disabled="type1Disabled">菜单</el-radio>
            <el-radio :label="2" :disabled="type2Disabled">按钮</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="菜单名称" prop="name">
          <el-input v-model="sysMenu.name"/>
        </el-form-item>
        <el-form-item label="图标" prop="icon" v-if="sysMenu.type !== 2">
          <el-select v-model="sysMenu.icon" clearable>
            <el-option v-for="item in iconList" :key="item.class" :label="item.class" :value="item.class">
            <span style="float: left;">
             <i :class="item.class"></i><!--   如果动态显示图标，这里添加判断 -->
            </span>
              <span style="padding-left: 6px;">{{ item.class }}</span>
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="排序">
          <el-input-number v-model="sysMenu.sortValue" controls-position="right" :min="0" />
        </el-form-item>
        <el-form-item prop="path">
              <span slot="label">
                <el-tooltip content="访问的路由地址，如：`sysUser`" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                路由地址
              </span>
          <el-input v-model="sysMenu.path" placeholder="请输入路由地址" />
        </el-form-item>
        <el-form-item prop="component" v-if="sysMenu.type !== 0">
              <span slot="label">
                <el-tooltip content="访问的组件路径，如：`system/user/index`，默认在`views`目录下" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                组件路径
              </span>
          <el-input v-model="sysMenu.component" placeholder="请输入组件路径" />
        </el-form-item>
        <el-form-item v-if="sysMenu.type === 2">
          <el-input v-model="sysMenu.perms" placeholder="请输入权限标识" maxlength="100" />
          <span slot="label">
                <el-tooltip content="控制器中定义的权限字符，如：@PreAuthorize(hasAuthority('bnt.sysRole.list'))" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                权限字符
              </span>
        </el-form-item>
        <el-form-item label="状态" prop="type">
          <el-radio-group v-model="sysMenu.status">
            <el-radio :label="1">正常</el-radio>
            <el-radio :label="0">停用</el-radio>
          </el-radio-group>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false" size="small" icon="el-icon-refresh-right">取 消</el-button>
        <el-button type="primary" icon="el-icon-check" @click="saveOrUpdate()" size="small">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import api from '@/api/system/sysMenu/sys-menu'
const  defaultFrom = {
  id: '',
  parentId: '',
  name: '',
  type: 0,
  path: '',
  component: '',
  perms: '',
  icon: '',
  sortValue: 1,
  status: 1
}
export default {
  data() {
    return {
      sysMenuList: [],//菜单集合
      dialogTitle:'',//弹框标题
      dialogVisible:false, //弹框默认关闭
      sysMenu:defaultFrom, //菜单对象
      expandKeys: [], // 需要自动展开的项
      typeDisabled: false,
      type0Disabled: false,
      type1Disabled: false,
      type2Disabled: false,

      saveBtnDisabled: false,
      iconList: [
        {
          class: "el-icon-s-tools",
        },
        {
          class: "el-icon-s-custom",
        },
        {
          class: "el-icon-setting",
        },
        {
          class: "el-icon-user-solid",
        },
        {
          class: "el-icon-s-help",
        },
        {
          class: "el-icon-phone",
        },
        {
          class: "el-icon-s-unfold",
        },
        {
          class: "el-icon-s-operation",
        },
        {
          class: "el-icon-more-outline",
        },
        {
          class: "el-icon-s-check",
        },
        {
          class: "el-icon-tickets",
        },
        {
          class: "el-icon-s-goods",
        },
        {
          class: "el-icon-document-remove",
        },
        {
          class: "el-icon-warning",
        },
        {
          class: "el-icon-warning-outline",
        },
        {
          class: "el-icon-question",
        },
        {
          class: "el-icon-info",
        }
      ]
    }
  },
  created() {
    this.findNodes()
  },
  methods: {
    // 获取全部菜单
    findNodes() {
      api.findNodes().then(res => {
        this.sysMenuList = res.data
      })
    },
    // 添加菜单
    add(row){
      this.typeDisabled = false
      this.dialogTitle = '添加下级节点'
      this.dialogVisible = true
      // row = 未定义  false
      // row 中有值  true 
      this.sysMenu = Object.assign({}, defaultFrom)
      this.sysMenu.id = ''
      if(row){   //true 添加子节点
        this.sysMenu.parentId = row.id
        this.sysMenu.name = row.name
        if(row.type === 0) {
          this.sysMenu.type = 1
          this.typeDisabled = false
          this.type0Disabled = false
          this.type1Disabled = false
          this.type2Disabled = true
        } else if(row.type === 1) {
          this.sysMenu.type = 2
          this.typeDisabled = true
        }
      }else{  //添加目录节点
        this.dialogTitle = '添加目录节点'
        this.sysMenu.type = 0
        this.sysMenu.component = 'Layout'
        this.sysMenu.parentId = 0
        this.typeDisabled = true
      }
    },
    // 修改  弹框
    edit(rowObj){
      this.dialogTitle = '修改菜单'
      this.dialogVisible = true
      this.sysMenu = Object.assign({}, rowObj)
      this.typeDisabled = true
    },
    // 删除
    removeDataById(rowObj){
      this.$confirm('此操作将永久删除'+rowObj.name+', 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(()=>{
        // 确定
        api.remoeveMenu(rowObj.id).then(res => {
          this.findNodes();
          this.$message.success(res.message || "删除成功")
        })
      }).catch(()=>{
      // 取消
      this.$message.info("取消删除！")
      })
    },
    // 提交删除或者修改
    saveOrUpdate(){
      if(this.sysMenu.type === 0 && this.sysMenu.parentId !== 0) {
        this.sysMenu.component = 'ParentView'
      }
      this.$refs.dataForm.validate(valid => {
        if (valid) {
          this.saveBtnDisabled = true // 防止表单重复提交
          if (!this.sysMenu.id) {
            this.save()
          } else {
            this.update()
          }
        }
      })
    },
    // 添加
    save() {
      api.saveMenu(this.sysMenu).then(response => {
        this.$message.success(response.message || '操作成功')
        this.dialogVisible = false
        this.findNodes()
      })
    },

    //更新
    update() {
      api.updateMenu(this.sysMenu).then(response => {
        this.$message.success(response.message || '操作成功')
        this.dialogVisible = false
        this.findNodes()
      })
    }
  }
}
</script>

<style>

</style>